Comments now split up, only 15 per page

I was getting trouble with my web hosting company BlueHost that I consume too much time from their database server. A few weeks ago, they actually shut down my site for about 8 hours. The site was shut down until I called in - it was a Saturday and I didn't realize it right away. I called in at 7pm and was told that I had to wait until Monday to get the domain activated again.
I didn't hang up but complained and luckily some engineer came around and helped the guy on the phone to activate my account again.

I guess that can happen with shared accounts for under $10 / month.

The solution was to optimize the database related code and also to not display necessarily all comments on the first page load.

You will see now that only 15 comments are shown per page view. Links to comments in newly sent out emails should work fine.

I think I still need to do something about the search engine, I suspect it may not work right now.

Let me know here if you encounter any problems or if you have general comments.